Mitsubishi Heavy Industries SRK05CM User manual

RESIDENTIAL AIR-CONDITIONING
TECHNICAL MANUAL & PARTS LIST
WALL MOUNTED TYPE
RESIDENTIAL AIR-CONDITIONERS
(Split system, air cooled cooling only type)
SRK05CM, 05CM-3
SRK05CMP-3
SRK09CM-3, 09CM-4, 09CM-5
SRK09CMP-3, 09CMP-4
SRK12CM-3, 12CM-4, 12CM-5
Manual No.'13•SRK-T-141

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'13•SRK-T-141
TECHNICAL MANUAL

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CONTENTS
1. SPECIFICATIONS .................................................................................... 4
(2) Outdoor units ...................................................................................... 17
(3) Wireless remote control ...................................................................... 19
........................................................................ 15
(1) Indoor units ......................................................................................... 15
2. EXTERIOR DIMENSIONS
3. ELECTRICAL WIRING ............................................................................. 20
(1) Indoor units ......................................................................................... 20
(2) Outdoor units ...................................................................................... 21
....................................................... 24
5. RANGE OF USAGE & LIMITATIONS
4. PIPING SYSTEM ..................................................................................... 23
............................................................................... 26
6. APPLICATION DATA
7. OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER ........... 40
(6) Timer operation ................................................................................. 43
(5) Flap control ....................................................................................... 43
...................................................... 42(4) Custom cord switching procedure
........................................................................ 42(3) Auto restart function
(2) Unit ON/OFF button .......................................................................... 42
(1) Operation control function by remote control ..................................... 40
(8) Outline of automatic operation .......................................................... 44
(7) Outline of cooling operation .............................................................. 44
(9) Protective control function .................................................................. 45
.............................................................................. 46
.................... 47
(4) Troubleshooting procedure (If the air conditioner runs)
(3) Troubleshooting procedure (If the air conditioner does not run at all)
....... 46
(1) Cautions ............................................................................................ 46
(2) Items to check before troubleshooting ................................................ 46
(5) Self-diagnosis table ............................................................................ 47
(6) Inspection procedures corresponding to detail of trouble ................... 48
8. MAINTENANCE DATA

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(7) Phenomenon observed after shortcircuit, wire breakage on sensor ........ 49
■How to read the model name
Example: SRK 05 C
Series code
Cooling only type
Product capacity
Model name SRK : Wall mounted type
SRC : Outdoor unit
MP
(8) How to make sure of wireless remote control ..................................... 50

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1. SPECIFICATIONS
Model
Item
SRK05CM
Indoor unit SRK05CM Outdoor unit SRC05CM
Cooling capacity (1) W 1500
Power supply 1 Phase, 220V, 50Hz
Operation
data (1)
Power
consumption Cooling kW 0.42
Running
current Cooling A2.0
Inrush current 9.5
COP Cooling 3.57
Noise
level Cooling Sound level dB(A) 42 47
Exterior dimensions (Height x Width x Depth) mm 262 x 615 x 210 435 x 645 (+50) x 275
Exterior appearance
(Munsell color)
Fine snow
(8.0Y 9.3/0.1) near equivalent
Stucco white
(4.2Y 7.5/1.1) near equivalent
Net weight kg 6 19
Refrigerant
equipment
Compressor type & Q'ty — RMC201A009 (Rotary type) x 1
Motor (Starting method) kW — 0.35 (PSC)
Refrigerant oil 0.29 (SUNISO 4GSI or ATMOS NM56M)
Refrigerant (3) kg R22 0.40 (Pre-Charged up to the piping length of 7.5m)
Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing
Refrigerant control Capillary tubes
Air handling
equipment
Fan type & Q'ty Cross flow fan x 1 Propeller fan x 1
Motor W 17 22
Air flow Cooling m3/min 8.5 23.0
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 1 —
Shock & vibration absorber — Cushion rubber (for compressor)
Operation
control
Operation switch Wireless-Remote control —
Room temperature control Microcomputer thermostat —
Operation Display RUN : Green, TIMER : Yellow
Safety devices
Compressor overheat protection, Overcurrent protection,
Frost protection, Serial signal error protection, Indoor fan motor error protection,
Cooling overload protection
Installation
data
Refrigerant piping size (O.D) mm Liquid line: φ6.35 (1/4") Gas line: φ9.52 (3/8")
Connecting method Flare connecting
Attached length of piping m Liquid line : 0.46
Gas line : 0.40 —
Insulation for piping Necessary (Both sides), independent
Refrigerant line (one way) length
m
Max. 15
Vertical height difference between
outdoor unit and indoor unit
Max.5 (Outdoor unit is higher)
Max.5 (Outdoor unit is lower)
Drain hose Connectable (VP 16) —
Power cable —
Recommended breaker size A 10
Connection wiring Size x Core number 1.5mm2x 3 cores (Including earth cable)
Connecting method Terminal block (Screw fixing type)
Accessories (included) Mounting kit
Option parts —
Note (1) The data are measured at the following conditions.
Item
Operation
Indoor air temperature Outdoor air temperature Standards
DB WB DB WB
Cooling 27˚C 19˚C 35˚C 24˚C JIS C 9612, TISI 1155, 2134, 812
(2) This air-conditioner is manufactured and tested in conformity with the TISI.
(3) The operation data are applied to the 220V districts.
(4) The refrigerant quantity to be charged includes the refrigerant in 7.5m connecting piping.
(Purging is not required even for the short piping.)
If the piping length is 7.5m to 15m, additional refrigerant is 10g per each 1m longer than 7.5m.
The pipe length is 7.5m.

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Model
Item
SRK05CM-3
Indoor unit SRK05CM-3 Outdoor unit SRC05CM-3
Cooling capacity (1) W 1465
Power supply 1 Phase, 220 - 240V, 50Hz
Operation
data (1)
Power
consumption Cooling kW 0.375
Running
current Cooling A1.8
Inrush current 9.5
COP Cooling 3.91
Noise
level Cooling Sound level dB(A) 42 48
Exterior dimensions (Height x Width x Depth) mm 262 x 615 x 210 435 x 645 (+50) x 275
Exterior appearance
(Munsell color)
Fine snow
(8.0Y 9.3/0.1) near equivalent
Stucco white
(4.2Y 7.5/1.1) near equivalent
Net weight kg 6 20
Refrigerant
equipment
Compressor type & Q'ty — RMC201A055 (Rotary type) x 1
Motor (Starting method) kW — 0.35 (PSC)
Refrigerant oil 0.23 (SUNISO 4GSI or ATMOS NM56M)
Refrigerant (3) kg R22 0.45 (Pre-Charged up to the piping length of 5.0m)
Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing
Refrigerant control Capillary tubes
Air handling
equipment
Fan type & Q'ty Cross flow fan x 1 Propeller fan x 1
Motor W 17 22
Air flow Cooling m3/min 8.5 23.0
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 1 —
Shock & vibration absorber — Cushion rubber (for compressor)
Operation
control
Operation switch Wireless-Remote control —
Room temperature control Microcomputer thermostat —
Operation Display RUN : Green, TIMER : Yellow
Safety devices
Compressor overheat protection, Overcurrent protection,
Frost protection, Serial signal error protection, Indoor fan motor error protection,
Cooling overload protection
Installation
data
Refrigerant piping size (O.D) mm Liquid line: φ6.35 (1/4") Gas line: φ9.52 (3/8")
Connecting method Flare connecting
Attached length of piping m Liquid line : 0.46
Gas line : 0.40 —
Insulation for piping Necessary (Both sides), independent
Refrigerant line (one way) length
m
Max. 15
Vertical height difference between
outdoor unit and indoor unit
Max.5 (Outdoor unit is higher)
Max.5 (Outdoor unit is lower)
Drain hose Connectable (VP 16) —
Power cable —
Recommended breaker size A 10
Connection wiring Size x Core number 1.5mm2x 3 cores (Including earth cable)
Connecting method Terminal block (Screw fixing type)
Accessories (included) Mounting kit
Option parts —
Note (1) The data are measured at the following conditions.
Item
Operation
Indoor air temperature Outdoor air temperature Standards
DB WB DB WB
Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612
(2) This air-conditioner is manufactured and tested in conformity with the ISO.
(3) The operation data are applied to the 220V districts.
(4) The refrigerant quantity to be charged includes the refrigerant in 5.0m connecting piping.
(Purging is not required even for the short piping.)
If the piping length is 5m to 15m, additional refrigerant is 10g per each 1m longer than 5m.
The pipe length is 5.0m.

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Model
Item
SRK05CMP-3
Indoor unit SRK05CMP-3 Outdoor unit SRC05CMP-3
Cooling capacity (1) W 1465
Power supply 1 Phase, 220 - 240V, 50Hz
Operation
data (1)
Power
consumption Cooling kW 0.49
Running
current Cooling A2.3 / 2.2
Inrush current 9.5
COP Cooling 2.99
Noise
level Cooling Sound level dB(A) 42 47
Exterior dimensions (Height x Width x Depth) mm 262 x 615 x 210 435 x 645 (+50) x 275
Exterior appearance
(Munsell color)
Fine snow
(8.0Y 9.3/0.1) near equivalent
Stucco white
(4.2Y 7.5/1.1) near equivalent
Net weight kg 6 19
Refrigerant
equipment
Compressor type & Q'ty — RMC201A009 (Rotary type) x 1
Motor (Starting method) kW — 0.35 (PSC)
Refrigerant oil 0.29 (SUNISO 4GSI or ATMOS NM56M)
Refrigerant (3) kg R22 0.34 (Pre-Charged up to the piping length of 5.0m)
Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing
Refrigerant control Capillary tubes
Air handling
equipment
Fan type & Q'ty Cross flow fan x 1 Propeller fan x 1
Motor W 17 22
Air flow Cooling m3/min 8.5 20.0
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 1 —
Shock & vibration absorber — Cushion rubber (for compressor)
Operation
control
Operation switch Wireless-Remote control —
Room temperature control Microcomputer thermostat —
Operation Display RUN : Green, TIMER : Yellow
Safety devices
Compressor overheat protection, Overcurrent protection,
Frost protection, Serial signal error protection, Indoor fan motor error protection,
Cooling overload protection
Installation
data
Refrigerant piping size (O.D) mm Liquid line: φ6.35 (1/4") Gas line: φ9.52 (3/8")
Connecting method Flare connecting
Attached length of piping m Liquid line : 0.46
Gas line : 0.40 —
Insulation for piping Necessary (Both sides), independent
Refrigerant line (one way) length
m
Max. 15
Vertical height difference between
outdoor unit and indoor unit
Max.5 (Outdoor unit is higher)
Max.5 (Outdoor unit is lower)
Drain hose Connectable (VP 16) —
Power cable —
Recommended breaker size A 10
Connection wiring Size x Core number 1.5mm2x 3 cores (Including earth cable)
Connecting method Terminal block (Screw fixing type)
Accessories (included) Mounting kit
Option parts —
Note (1) The data are measured at the following conditions.
Item
Operation
Indoor air temperature Outdoor air temperature Standards
DB WB DB WB
Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612
(2) This air-conditioner is manufactured and tested in conformity with the ISO.
(3) The operation data are applied to the 220 / 230V districts respectively.
(4) The refrigerant quantity to be charged includes the refrigerant in 5.0m connecting piping.
(Purging is not required even for the short piping.)
If the piping length is 5m to 15m, additional refrigerant is 10g per each 1m longer than 5m.
The pipe length is 5.0m.

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Model
Item
SRK09CM-3
Indoor unit SRK09CM-3 Outdoor unit SRC09CM-3
Cooling capacity (1) W 2638
Power supply 1 Phase, 220 - 240V, 50Hz
Operation
data (1)
Power
consumption Cooling kW 0.90
Running
current Cooling A4.2 / 4.0
Inrush current 21.0
COP Cooling 2.93
Noise
level Cooling Sound level dB(A) 43 50
Exterior dimensions (Height x Width x Depth) mm 262 x 615 x 210 435 x 645 (+50) x 275
Exterior appearance
(Munsell color)
Fine snow
(8.0Y 9.3/0.1) near equivalent
Stucco white
(4.2Y 7.5/1.1) near equivalent
Net weight kg 6 22.5
Refrigerant
equipment
Compressor type & Q'ty — RMC201A054 (Rotary type) x 1
Motor (Starting method) kW — 0.7 (PSC)
Refrigerant oil 0.28 (SUNISO 4GSI or ATMOS NM56M)
Refrigerant (3) kg R22 0.45 (Pre-Charged up to the piping length of 5.0m)
Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing
Refrigerant control Capillary tubes
Air handling
equipment
Fan type & Q'ty Cross flow fan x 1 Propeller fan x 1
Motor W 17 22
Air flow Cooling m3/min 9.0 23.0
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 1 —
Shock & vibration absorber — Cushion rubber (for compressor)
Operation
control
Operation switch Wireless-Remote control —
Room temperature control Microcomputer thermostat —
Operation Display RUN : Green, TIMER : Yellow
Safety devices
Compressor overheat protection, Overcurrent protection,
Frost protection, Serial signal error protection, Indoor fan motor error protection,
Cooling overload protection
Installation
data
Refrigerant piping size (O.D) mm Liquid line: φ6.35 (1/4") Gas line: φ9.52 (3/8")
Connecting method Flare connecting
Attached length of piping m Liquid line : 0.46
Gas line : 0.40 —
Insulation for piping Necessary (Both sides), independent
Refrigerant line (one way) length
m
Max. 15
Vertical height difference between
outdoor unit and indoor unit
Max.5 (Outdoor unit is higher)
Max.5 (Outdoor unit is lower)
Drain hose Connectable (VP 16) —
Power cable —
Recommended breaker size A 10
Connection wiring Size x Core number 1.5mm2x 3 cores (Including earth cable)
Connecting method Terminal block (Screw fixing type)
Accessories (included) Mounting kit
Option parts —
Note (1) The data are measured at the following conditions.
Item
Operation
Indoor air temperature Outdoor air temperature Standards
DB WB DB WB
Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612
(2) This air-conditioner is manufactured and tested in conformity with the ISO.
(3) The operation data are applied to the 220 / 230V districts respectively.
(4) The refrigerant quantity to be charged includes the refrigerant in 5.0m connecting piping.
(Purging is not required even for the short piping.)
If the piping length is 5m to 15m, additional refrigerant is 10g per each 1m longer than 5m.
The pipe length is 5.0m.

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Model
Item
SRK09CM-4
Indoor unit SRK09CM-4 Outdoor unit SRC09CM-4
Cooling capacity (1) W 2638
Power supply 1 Phase, 220 - 240V, 50Hz
Operation
data (1)
Power
consumption Cooling kW 0.90
Running
current Cooling A4.2 / 4.0
Inrush current 21.0
COP Cooling 2.93
Noise
level Cooling Sound level dB(A) 43 50
Exterior dimensions (Height x Width x Depth) mm 262 x 615 x 210 435 x 645 (+50) x 275
Exterior appearance
(Munsell color)
Fine snow
(8.0Y 9.3/0.1) near equivalent
Stucco white
(4.2Y 7.5/1.1) near equivalent
Net weight kg 6 22.5
Refrigerant
equipment
Compressor type & Q'ty — RMC201A054 (Rotary type) x 1
Motor (Starting method) kW — 0.7 (PSC)
Refrigerant oil 0.28 (SUNISO 4GSI or ATMOS NM56M)
Refrigerant (3) kg R22 0.45 (Pre-Charged up to the piping length of 5.0m)
Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing
Refrigerant control Capillary tubes
Air handling
equipment
Fan type & Q'ty Cross flow fan x 1 Propeller fan x 1
Motor W 17 22
Air flow Cooling m3/min 9.0 23.0
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 1 —
Shock & vibration absorber — Cushion rubber (for compressor)
Operation
control
Operation switch Wireless-Remote control —
Room temperature control Microcomputer thermostat —
Operation Display RUN : Green, TIMER : Yellow
Safety devices
Compressor overheat protection, Overcurrent protection,
Frost protection, Serial signal error protection, Indoor fan motor error protection,
Cooling overload protection
Installation
data
Refrigerant piping size (O.D) mm Liquid line: φ6.35 (1/4") Gas line: φ9.52 (3/8")
Connecting method Flare connecting
Attached length of piping m Liquid line : 0.46
Gas line : 0.40 —
Insulation for piping Necessary (Both sides), independent
Refrigerant line (one way) length
m
Max. 15
Vertical height difference between
outdoor unit and indoor unit
Max.5 (Outdoor unit is higher)
Max.5 (Outdoor unit is lower)
Drain hose Connectable (VP 16) —
Power cable —
Recommended breaker size A 10
Connection wiring Size x Core number 1.5mm2x 3 cores (Including earth cable)
Connecting method Terminal block (Screw fixing type)
Accessories (included) Mounting kit
Option parts —
Note (1) The data are measured at the following conditions.
Item
Operation
Indoor air temperature Outdoor air temperature Standards
DB WB DB WB
Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612
(2) This air-conditioner is manufactured and tested in conformity with the ISO.
(3) The operation data are applied to the 220 / 230V districts respectively.
(4) The refrigerant quantity to be charged includes the refrigerant in 5.0m connecting piping.
(Purging is not required even for the short piping.)
If the piping length is 5m to 15m, additional refrigerant is 10g per each 1m longer than 5m.
The pipe length is 5.0m.

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Model
Item
SRK09CM-5
Indoor unit SRK09CM-5 Outdoor unit SRC09CM-5
Cooling capacity (1) W 2638
Power supply 1 Phase, 220 - 240V, 50Hz
Operation
data (1)
Power
consumption Cooling kW 0.90
Running
current Cooling A4.2 / 4.0
Inrush current 21.0
COP Cooling 2.93
Noise
level Cooling Sound level dB(A) 43 50
Exterior dimensions (Height x Width x Depth) mm 262 x 615 x 210 435 x 645 (+50) x 275
Exterior appearance
(Munsell color)
Fine snow
(8.0Y 9.3/0.1) near equivalent
Stucco white
(4.2Y 7.5/1.1) near equivalent
Net weight kg 6 22.5
Refrigerant
equipment
Compressor type & Q'ty — RMC201A054 (Rotary type) x 1
Motor (Starting method) kW — 0.7 (PSC)
Refrigerant oil 0.28 (SUNISO 4GSI or ATMOS NM56M)
Refrigerant (3) kg R22 0.45 (Pre-Charged up to the piping length of 5.0m)
Heat exchanger Louver fins & inner grooved tubing Louver fins & inner grooved tubing
Refrigerant control Capillary tubes
Air handling
equipment
Fan type & Q'ty Cross flow fan x 1 Propeller fan x 1
Motor W 17 22
Air flow Cooling m3/min 9.0 23.0
Fresh air intake Not possible —
Air filter, Quality / Quantity Polypropylene net (washable) x 1 —
Shock & vibration absorber — Cushion rubber (for compressor)
Operation
control
Operation switch Wireless-Remote control —
Room temperature control Microcomputer thermostat —
Operation Display RUN : Green, TIMER : Yellow
Safety devices
Compressor overheat protection, Overcurrent protection,
Frost protection, Serial signal error protection, Indoor fan motor error protection,
Cooling overload protection
Installation
data
Refrigerant piping size (O.D) mm Liquid line: φ6.35 (1/4") Gas line: φ9.52 (3/8")
Connecting method Flare connecting
Attached length of piping m Liquid line : 0.46
Gas line : 0.40 —
Insulation for piping Necessary (Both sides), independent
Refrigerant line (one way) length
m
Max. 15
Vertical height difference between
outdoor unit and indoor unit
Max.5 (Outdoor unit is higher)
Max.5 (Outdoor unit is lower)
Drain hose Connectable (VP 16) —
Power cable —
Recommended breaker size A 10
Connection wiring Size x Core number 1.5mm2x 3 cores (Including earth cable)
Connecting method Terminal block (Screw fixing type)
Accessories (included) Mounting kit
Option parts —
Note (1) The data are measured at the following conditions.
Item
Operation
Indoor air temperature Outdoor air temperature Standards
DB WB DB WB
Cooling 27˚C 19˚C 35˚C 24˚C ISO-T1, JIS C 9612
(2) This air-conditioner is manufactured and tested in conformity with the ISO.
(3) The operation data are applied to the 220 / 230V districts respectively.
(4) The refrigerant quantity to be charged includes the refrigerant in 5.0m connecting piping.
(Purging is not required even for the short piping.)
If the piping length is 5m to 15m, additional refrigerant is 10g per each 1m longer than 5m.
The pipe length is 5.0m.